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Linux - Security

Linux - Security This forum is for all security related questions.
Questions, tips, system compromises, firewalls, etc. are all included here.

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Rating Thread / Thread Starter	Last Post	Replies	Views
Sticky: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	227,920
Sticky: Security references unSpawn	02-25-2006 01:04 AM by unSpawn	6	242,144
Sticky: The OWASP Top 10 for 2013 unSpawn	06-15-2013 05:42 AM by unSpawn	0	18,088
Sticky: Alert (TA16-250A) The Increasing Threat to Network Infrastructure Devices and Recommended Mitigations tronayne	09-07-2016 06:25 AM by tronayne	0	13,331
Sticky: If you infected by any of these recent ELF malware cases please contact us? ( 1 2 ) malwaremustdie	04-22-2019 10:06 PM by malwaremustdie	21	40,763
Sticky: More Alerts Alert (TA14-017A) UDP-Based Amplification Attacks (Revised 12 Apr 2016) tronayne	07-14-2020 10:32 AM by RickDeckard	2	30,785
PSA: Flatpak is a security nightmare YesItsMe	10-18-2018 07:20 PM by ordealbyfire83	1	874
[SOLVED] SystemD Penetration Testing Results Inquiry dcbdbis	10-21-2018 03:22 PM by dcbdbis	5	2,043
Iptables Reload advice glennbtn	10-21-2018 07:17 PM by lazydog	3	648
HAPROXY and fail2ban - block IPs taumeister	10-22-2018 10:42 AM by Habitual	2	7,377
How can iptables distinguish between packets coming in from one route versus another? Ulysses_	10-22-2018 05:05 PM by lazydog	6	612
Enable application with grsecurity thecrazyalpine	10-23-2018 06:02 PM by RickDeckard	1	727
Update apache ssl cert catiewong	10-24-2018 07:06 AM by berndbausch	9	750
How to reliably list pending security updates in Ubuntu Mark_667	10-25-2018 03:49 AM by Mark_667	6	1,723
security risk possible from Genbolt security cameras. that automatically connect to 3 Chinese ip#s even when it is not configur galen	10-25-2018 05:26 AM by galen	3	2,742
AIDE 0.16-3 on Ubuntu 18.04 overzealous logging, logs even current baseline as having changed RickDeckard	10-26-2018 02:14 PM by RickDeckard	1	649
Store ecryptfs files inside home folder when enabling full home folder encryption in Linux Murz	10-27-2018 03:57 AM by ondoho	4	1,045
create wordlist crunch end	10-27-2018 11:07 AM by pan64	4	699
Setting up a router that has wireless enabled - Linksys and dd-wrt mazinoz	10-27-2018 08:28 PM by mazinoz	2	538
Trying to understand better GPG and how to manage my keys john2x	10-28-2018 07:16 AM by ntubski	2	710
WinScp, dowload acces denied Linux.Student	10-28-2018 01:13 PM by scasey	3	620
How to configure a CRL distribution point with Dogtag PKI arhsagar	10-28-2018 10:57 PM by arhsagar	2	1,521
[SOLVED] BackBox or Kali JJJCR	10-29-2018 11:25 AM by John VV	5	1,881
How to change the base url of ca susbsytem of dogtag pki? arhsagar	10-30-2018 11:36 AM by Habitual	3	925
The D in Systemd stands for 'Dammmmit!' A nasty DHCPv6 packet can pwn a vulnerable Linux box ChuangTzu	10-31-2018 07:28 AM by zeebra	6	873
[SOLVED] Connect to a remote computer that's using a "VPN" JamesGT	10-31-2018 09:34 AM by JamesGT	7	901
MAC filtering in hostapd using iptables mackowiakp	10-31-2018 11:49 PM by mralk3	3	2,739
Iptables max security rules justlinux543w	11-01-2018 03:01 PM by business_kid	1	969
many http connection to apache server ( 1 2 ) catiewong	11-02-2018 01:50 PM by scasey	15	1,040
Double Encryption gsnj2	11-03-2018 04:42 AM by ondoho	3	842
Any security issues with allowing shell scripts to be run through a html page regstuff	11-03-2018 10:19 AM by scasey	13	833
Dual boot 2 Linux OSes with full disk encryption and dedicated shared storage MrLinuxUser12	11-05-2018 05:03 AM by zeebra	3	2,164
is it bad to have both FCHECK and SAMHAIN running together (debian 9)? tinstaafl	11-06-2018 04:50 PM by RickDeckard	1	538
my Grub file.........is this a normal grub file, I have questions of remote access 3rdostridge	11-06-2018 10:42 PM by RickDeckard	2	598
Home directory.....fairly new install 3rdostridge	11-07-2018 11:09 AM by lougavulin	5	667
Is my debian installation compromised? ( 1 2 ) nickkefi	11-07-2018 02:21 PM by nickkefi	20	1,291
PHP script that detects if auth is required or not on Apache Splunk syrius	11-09-2018 02:55 PM by syrius	3	610
Manjaro + LUKS ( full disk crypt) + key external USB drive + keyencrypt John Fergusson	11-11-2018 11:31 AM by John Fergusson	2	2,596
[SOLVED] Can't not login to CentOS 7 via console (vSphere) jeffchung	11-11-2018 07:30 PM by jeffchung	4	16,468
[SOLVED] permissions issue on /usr/local/bin BW-userx	11-12-2018 06:01 AM by BW-userx	8	27,106
ssh for non-root user: permission denied, please try again taz.hasan	11-13-2018 03:23 AM by taz.hasan	4	4,518
Restricting sensitive information in the core dumps sk_azeem	11-14-2018 08:53 AM by dugan	9	2,895
[SOLVED] SSH fingerprint changed by router NAT tables? upnort	11-15-2018 02:23 PM by upnort	5	1,175
[SOLVED] SSDs with hardware encryption busted. linustalman	11-18-2018 04:06 AM by pan64	9	967
iptables xtables-addons installation failure CrazyDavy	11-20-2018 11:07 AM by jeremy	1	1,902
Suricata as IPS JJJCR	11-21-2018 07:16 PM by JJJCR	4	1,157
Any suggestions how to do properly sandboxing on Debian? cerber	11-23-2018 12:46 PM by RickDeckard	6	974
“ls” shows group owner as “root”, but real gid is different ranshalit	11-24-2018 03:11 PM by berndbausch	3	2,321
[SOLVED] cannot ssh to valid user while I can su to it dereut	11-25-2018 03:35 AM by dereut	2	2,800
OS level role/command based privileged escalation for use with automation via a front-end/back-end process with additional authentication imthenachoman	11-25-2018 05:09 PM by imthenachoman	4	471
Where are hackers getting invoicing information mfoley	11-26-2018 12:54 AM by JJJCR	4	727
Is there any technology files or book taik about linux auditd service detailly? nerazzurri	11-26-2018 06:29 AM by scasey	1	570
[SOLVED] Need some UFW help. Want to block an IP and any device that connects to it from accessing WAN/Internet wh33t	11-27-2018 12:15 PM by wh33t	12	689
PREROUTING and POSTROUTING ( 1 2 3 ) theuser	11-28-2018 09:48 AM by fahri314	32	119,630
How to keep LUKS partition decrypted without USB thumb drive with keyfile present? SirSkorpan	11-29-2018 02:31 PM by SirSkorpan	2	1,473
nft chain priority and policy keithwilliamsnp	12-01-2018 12:45 PM by keithwilliamsnp	0	1,104

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